FLYTEFOAM cushioning is formed with organically derived materials that improve impact absorption an At least 50% of the shoeÔÇÖs upper polyester are made with recycled materials. Laser-cut sidewall detailing: Improves deformation at footstrike. Rearfoot and Forefoot GEL Technology Cushioning System: Attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle. Solution Dye Sockliner: Sockliner is produced with a solution dyeing process that reduces water usage and carbon emissions